oyster shells 中文意思是什麼
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Several other materials can be used for liming purposes, such as, baked or burned oyster shells, marl, basic slag, wood ashes, and cement industry by - products
其它幾種物質也可用來施用石灰，如?殼灰、泥灰、鋼渣磷肥（堿性爐渣） 、草木灰和工業水泥的副產品等。 -
Crushed oyster shells - that s what they used as landfill in lower manhattan
下曼哈頓的填地土中用了許多壓碎的牡蠣殼 -
Lime kiln industry was one of the oldest industry ( 1800 - 1939 ) in hong kong, which refined lime from either oyster shells or coral skeletons for construction and agricultural uses
從蠔殼或珊瑚骨骼提煉石灰作建築及農業用途的石灰工業，是香港的其中一個最早期工業（一八Ｏ Ｏ至一九三九年） 。
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